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7643 Datasheet(PDF) 138 Page - Renesas Technology Corp

Part # 7643
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  424 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7643 Datasheet(HTML) 138 Page - Renesas Technology Corp

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Rev.2.00
Aug 28, 2006
page 17 of 202
7643 Group
REJ09B0133-0200
APPLICATION
2.2 Timer
Fig. 2.2.9 Related registers setting
ICONB
T1
9F16
T2
6316
b0
b7
b0
b7
b0
b7
CPMA
b0
b7
0 1 11
T123M
b0
b7
01
0
0
0
1
1
0
CPU mode register A (address 0016)
Processor mode selected
Stack page select selected
Sub-clock (XCIN-XCOUT): Oscillating
Main clock (XIN-XOUT): Stopped
External clock: XCIN-XCOUT
Set “division ratio – 1”.
[ T1 = 159 (9F16), T2 = 99 (6316) ]
Interrupt control register B (address 0616)
Timer 123 mode register (address 2916)
Timer 1 count: Count start
Timer 1 count source: f(XCIN) / 2
Timer 2 count source: Timer 1 output
TOUT output disabled
Timers 1, 2 write control: Write value in latch and counter
Timer 1 (address 2416)
Timer 2 (address 2516)
Timer 1 interrupt: Enabled
Timer 2 interrupt: Disabled
IREQB
b0
b7
Interrupt request register B (address 0316)
Timer 1 interrupt request
Timer 2 interrupt request
000
00



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